Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

NA

40°F

4°C

Humidity 36%
Wind Speed N 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 15°F (-9°C)
Visibility NA
Last update 19 Jan 03:10 PM MST
Extended Forecast for

4 Miles SSW East Thermopolis WY

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 42. Light northeast wind.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Isolated snow showers between 3pm and 4pm.  Mostly sunny, with a high near 39. Breezy, with an east northeast wind 5 to 10 mph becoming north 11 to 16 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    High: 39 °F

    Mostly Sunny
    then Isolated
    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Southeast wind around 5 mph becoming calm  after midnight.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. West wind 5 to 11 mph becoming north northeast in the afternoon.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. North wind 3 to 8 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 42. Light northeast wind.
Tonight
Partly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm.
Tuesday
Isolated snow showers between 3pm and 4pm. Mostly sunny, with a high near 39. Breezy, with an east northeast wind 5 to 10 mph becoming north 11 to 16 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 13. Southeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 35. West wind 5 to 11 mph becoming north northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 11. Calm wind.
Thursday
Mostly sunny, with a high near 34. North wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
3:01 pm MST Jan 19, 2026
3pm MST Jan 19, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database